Mute Sends
Hello.
Track Send works great, but is there are also way to add mute/unmute specific send?
CSS can help you in finding the correct code construction whenever you’re unsure. In the next picture I made a temporary Set Name Action from the TRACK submenu to find out how the code points to a Track:
As you can see in the “Path Menu”, Track 1 is selected by default (there’s a lot of other options in the Path Menu as well). The code that points to Track 1 is at the bottom of the Action (underlined by me):
self.song().tracks[0]
A few points to note about this section of the code:
tracksis written with an s at the end. It is a list that contains all of the tracks, that’s why the list’s name is written in a plural form.[0]is the index number that points to the track_number that was selected in the Path Menu. There’s 2 things to notice:- The index number is put in between square brackets [ ]
- The first item in a list (in this case Track 1) starts at index number 0. So whenever you need the index_number of a Track, subtract 1 from the track_number.
Constructing set_data
With this info we can construct set_data and get_data for Track 1:
self.song().tracks[0].set_data("key1", 222)
self.song().tracks[0].get_data("key1", None)
A few things I want to point out:
- Notice how I put key1 inside double quotes ” “. In Python, a text string needs to be put inside of quotes (preferably double quotes but single quotes work too).
- Notice how None is not put inside quotes. That’s because None isn’t text, it’s a Python keyword; in other words, something with internal meaning to Python. It means as much as nothing.
An important detail when working with Custom Code
Python uses indentation to indicate blocks of code. Indentation means spaces before a line of code. If the indentation is incorrect, then your code will not behave correctly.
In this case, there’s no need for indentation, so we don’t want any space at the start of a line of code.
How to see the result from get_data in your log
For testing purposes, you might want to log whatever result get_data is returning. First set up the following Action:
Then, use the dropdown menu to select Custom Code and enter the get_data line of code we constructed earlier:
If we print get_data‘s result to the log before we used set_data then we should see None in the log. If we print the result after using set_data then we should see 222 in the log.
Reminder: for whatever you’ve set using set_data to persist over other Ableton Session, you’ll need to have your current Ableton Session saved before you quit.
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